Generac
Generator

Model # 9779-4 Official Generac generator

Here are the diagrams and repair parts for Official Generac 9779-4 generator, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 106 parts  |

Bushing 78299GS
#42

Main unit diagram

Bushing

Part #78299GS

Replaced by #192980GS

?
Manufacturer substitution
This part replaces 78299GS. Substitute parts can look different from the original.
BEST SELLER
$25.92
19% OFF Phone Price : $31.92
In Stock
Tank Valve 80270GS
#41

Main unit diagram

Tank valve

Part #80270GS

Replaced by #192980GS

?
Manufacturer substitution
This part replaces 80270GS. Substitute parts can look different from the original.
BEST SELLER
$25.92
19% OFF Phone Price : $31.92
In Stock
Gauge B4363GS
#43

Main unit diagram

Gauge

Part #B4363GS

Replaced by #B4363GS

?
Manufacturer substitution
This part replaces B4363GS. Substitute parts can look different from the original.
$55.19
10% OFF Phone Price : $61.19
In Stock
Power Modu 84132GS
#31

Main unit diagram

Power modu

Part #84132GS

Replaced by #84132GS

?
Manufacturer substitution
This part replaces 84132GS. Substitute parts can look different from the original.
$40.30
13% OFF Phone Price : $46.30
In Stock
Brush Assembly 66386GS
#32

Main unit diagram

Brush assembly

Part #66386GS

Replaced by #66386GS

?
Manufacturer substitution
This part replaces 66386GS. Substitute parts can look different from the original.
This item is not returnable
$32.82
15% OFF Phone Price : $38.82
In Stock
Circuit Br 75207AGS
#10

Control panel diagram

Circuit br

Part #75207AGS

Replaced by #706178

?
Manufacturer substitution
This part replaces 75207AGS. Substitute parts can look different from the original.
In Stock
Grommet 83465GS
#39

Main unit diagram

Grommet

Part #83465GS

Replaced by #83465GS

?
Manufacturer substitution
This part replaces 83465GS. Substitute parts can look different from the original.
This item is not returnable
$6.19
14% OFF Phone Price : $7.19
In Stock
Lawn & Garden Equipment Nut 52858GS
#9

Wheel kit diagram

Lawn & garden equipment nut

Part #52858GS

This item is not returnable
In Stock
Husqvarna Lawn & Garden Equipment Screw 74908GS
#26

Main unit diagram

Husqvarna lawn & garden equipment screw

Part #74908GS

This item is not returnable
In Stock
Grommet 84134GS
#24

Control panel diagram

Grommet

Part #84134GS

Replaced by #84134GS

?
Manufacturer substitution
This part replaces 84134GS. Substitute parts can look different from the original.
In Stock

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Repair difficulty
Time required
 60 minutes or less

Articles and videos for side-by-side refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…